Home / 1,099,415,051.40-1,649,122,577.10-663,208,278.60

Finding the Fourth Proportional to 1,099,415,051.40, 1,649,122,577.10 and 663,208,278.60

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Solution

The fourth proportional to 1,099,415,051.40, 1,649,122,577.10 and 663,208,278.60 is: 994,812,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,415,051.40 : 1,649,122,577.10 = 663,208,278.60 : x
  2. Step 2: Convert to fraction form
    1,099,415,051.40/1,649,122,577.10 = 663,208,278.60/x
  3. Step 3: Cross multiply
    1,099,415,051.40x = 1,649,122,577.10 × 663,208,278.60
  4. Step 4: Simplify right side
    1,099,415,051.40x = 1,093,711,745,558,886,784
  5. Step 5: Solve for x
    x = 1,093,711,745,558,886,784/1,099,415,051.40
  6. Step 6: Final answer
    x = 994,812,417.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.